Quran 28:29 — History (Al-Qasas)

When he had fulfilled his obligation, he traveled with his family (towards Egypt). He saw from the slope of Mount Sinai a fire. He said to his family, "Stay here. I have seen a fire. Maybe I can bring to you news, or a portion of the fire to warm you."

[28:28] He said, "It is an agreement between me and you. Whichever period I fulfill, you will not be averse to either one. GOD is the guarantor of what we said."

[28:30] When he reached it, he was called from the edge of the right side of the valley, in the blessed spot where the burning bush was located: "O Moses, this is Me. GOD; Lord of the universe.